Parts of Southern California are covered with pink fire retardant as firefighters try to control deadly wildfires raging in ...

Chek, a bright pink fire retardant, to combat wildfires threatening lives and property. Developed by Perimeter ...

Phos-Check is a brand of long-term fire retardant that has been used to fight fires since the 1960s. It is said to contain ...

The powdered substance sprayed over the California wildfires is called Phos-Chek. It contains ammonium phosphate — an ...

Phos-Chek, a pink fire retardant, is being used to combat California’s wildfires, coating vegetation to slow flames. While crucial in wildfire management, it raises environmental concerns, ...

As fire crews and air tankers work to block the wildfires' explosive growth, images of red clouds of fire retardant falling onto trees are common. What is it — and what's in it?

The study included Phos-Chek LC95W, which is an older Phos-Chek ... are mostly ammonium phosphate fertilizer and a few other ingredients mixed with water. Perimeter Solutions doesn't publicly ...

Streets in Southern California were painted red this week as planes continue to fly overhead dropping red clouds over burned ...

There are strict rules for aircraft operating in and around a fire to make sure everyone’s flying in a predictable manner.